Results 41 to 50 of about 446 (167)

Desarrollo Embrionario del Pargo Colorado Lutjanus colorado (Jordan & Gilbert, 1882) [PDF]

International Journal of Morphology, 2014
El pargo colorado (Lutjanus colorado) es una especie con un alto valor comercial en el mercado mexicano, con potencial para su cultivo. Hasta la fecha no existen estudios sobre su reproduccion, cultivo larvario y engorda en cautiverio. El presente trabajo es el primer reporte sobre la descripcion a detalle del desarrollo embrionario de la especie bajo ...
Abdo-de la Parra, María Isabel, García-Aguilar, Noemí, Rodríguez-Ibarra, L. Estela, Velasco-Blanco, Gabriela, Ibarra-Castro, Leonardo   +4 more
openaire   +2 more sources

PCP‐B class pollen coat proteins are key regulators of the hydration checkpoint in Arabidopsis thaliana pollen–stigma interactions

New Phytologist, Volume 213, Issue 2, Page 764-777, January 2017., 2017
Summary The establishment of pollen–pistil compatibility is strictly regulated by factors derived from both male and female reproductive structures. Highly diverse small cysteine‐rich proteins (CRPs) have been found to play multiple roles in plant reproduction, including the earliest stages of the pollen–stigma interaction.
Ludi Wang, Lisa A. Clarke, Russell J. Eason, Christopher C. Parker, Baoxiu Qi, Rod J. Scott, James Doughty   +6 more
wiley   +1 more source

Emergence of apospory and bypass of meiosis via apomixis after sexual hybridisation and polyploidisation

New Phytologist, Volume 204, Issue 4, Page 1000-1012, December 2014., 2014
Summary Hybridisation and polyploidy are major forces contributing to plant speciation. Homoploid (2x) and heteroploid (3x) hybrids, however, represent critical stages for evolution due to disturbed meiosis and reduced fertility. Apomixis – asexual reproduction via seeds – can overcome hybrid sterility, but requires several concerted alterations of ...
Diego Hojsgaard, Johann Greilhuber, Marco Pellino, Ovidiu Paun, Timothy F. Sharbel, Elvira Hörandl   +5 more
wiley   +1 more source

DESARROLLO EMBRIONARIO DE Gonatodes albogularis (SPHAERODACTYLIDAE): TABLA DE DESARROLLO

Acta Biológica Colombiana
El estudio del desarrollo embrionario animal es de gran interés como base para estudios comparativos a nivel anatómico, fisiológico y evolutivo. El gecko de cabeza amarilla Gonatodes albogularis es un lagarto enano diurno con una amplia distribución en ...
Fabián Mauricio Sandoval-Jaimes, Martha Patricia Ramírez-Pinilla   +1 more
doaj   +1 more source

Efectos de los RNAm maternos sobre la maduración del ovocito y el desarrollo embrionario temprano en mamíferos

Revista Mexicana de Ciencias Pecuarias, 2015
Obtener ovocitos madurados in vitro, que sean competentes para fertilizarse y originar un porcentaje superior al 50 % de blastocitos viables, es una de las principales metas que existen en el desarrollo in vitro de embriones bovinos.
M. Eduviges Burrola-Barraza, Everardo González-Rodríguez   +1 more
doaj   +1 more source

Collective effects of rising average temperatures and heat events on oviparous embryos

Conservation Biology, Volume 38, Issue 4, August 2024.
Abstract Survival of the immobile embryo in response to rising temperature is important to determine a species’ vulnerability to climate change. However, the collective effects of 2 key thermal characteristics associated with climate change (i.e., rising average temperature and acute heat events) on embryonic survival remain largely unexplored. We used
Liang Ma, Dan‐Yang Wu, Yang Wang, Joshua M. Hall, Chun‐Rong Mi, Hong‐Xin Xie, Wei‐Jie Tao, Chao Hou, Kun‐Ming Cheng, Yong‐Pu Zhang, Ji‐Chao Wang, Hong‐Liang Lu, Wei‐Guo Du, Bao‐Jun Sun   +13 more
wiley   +1 more source

Desarrollo embrionario de Lutzomyia longipalpis (Diptera: Psychodidae), bajo condiciones de laboratorio

Intropica, 2019
Lutzomyia longipalpis es el principal vector de la leishmaniasis visceral en las Américas. Durante seis días se hizo seguimiento al desarrollo de los huevos de L. longipalpis bajo condiciones experimentales.
Judier Karelly Melgarejo-Colmenares, Ronald López, Olga L. Cabrera-Quintero   +2 more
doaj   +1 more source

DESARROLLO EMBRIONARIO DEL CALAMAR TROPICAL SEPIOTEUTHIS SEPIOIDEA (BLAINVILLE) (CEPHALOPODA: LOLIGINIDAE

Bulletin of Marine and Coastal Research, 2016
A description of the main characteristic stages and processes of embrionic development of Sepioteuthis sepioidea egg clusters collected in their natural enviroment is presented. Eggs were incubated in laboratory conditions (salinity 35 o/oo, temperature 25QC, photoperiod 12 hrs.).
Fagundez, Sylvia, Ramírez, Raúl, Robaina, Germán   +2 more
openaire   +2 more sources

Desarrollo cardiaco embrionario en broilers en relación con enfriamiento y altitud [PDF]

Archivos de Zootecnia, 2009
Se estudió la relación entre enfriamiento y altitud durante la incubación y el desarrollo cardiaco embrionario. Se incubaron huevos de pollo de engorda a 2250 m de altitud, en tres tratamientos: no enfriados (NE), enfriado a temperatura ambiente 6 o 12 h (E6 y E12) los días 10, 12, 14, 16 y 18; se compararon con embriones incubados en condiciones ...
Camacho-Escobar, M.A., Suárez-Oporta, M.E.   +1 more
openaire   +4 more sources

Haploid rhapsody: the molecular and cellular orchestra of in vivo haploid induction in plants

New Phytologist, Volume 241, Issue 5, Page 1936-1949, March 2024.
Summary In planta haploid induction (HI), which reduces the chromosome number in the progeny after fertilization, has garnered increasing attention for its significant potential in crop breeding and genetic research. Despite the identification of several natural and synthetic HI systems in different plant species, the molecular and cellular mechanisms ...
Luis Felipe Quiroz, Nikita Gondalia, Galina Brychkova, Peter C. McKeown, Charles Spillane   +4 more
wiley   +1 more source